Magic Asic - Ueme Interface; Magic Asic - Upp - External Power Supply Interface - Nokia NPL-4 Series Manual

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B4 CbusEnX Digital
Input
MagIC ASIC – UEME interface
MagIC MagIC
Pad
Pin Name Pin Type
A6 ClrX Digital
Input
A3 DVdd Power
supply
C2 DVss Digital
ground
MagIC ASIC – UPP - External power supply interface
Pad Pin Name Pin Type
VBAT Battery
supply
F8 Avdd Power
(MagIC) supply
GenIO01 Power
(UPP) supply
E8 Avss Analog
(MagIC) ground
Issue 2 05/05
CBUSENX
Table 25: MagIC - UEME interface
UEME
Pin Name
PURX
VIO
GND
Table 26: External power supply interface
Regulator
Pin Name
Input
Output
SD
GND
Copyright © 2005 Nokia Corporation. All rights reserved.
System Module and User Interface
UPP - UEME – MagIC
bidirectional bus
Connection
General reset generated by UEME
Digital power supply / voltage reference
Ground level
Connection
Battery supply
Analog power supply for compass, FM-
radio and camera
Used as control signal
Ground level
NPL-4/5/
CBUS enable
Function
Main reset
Positive Digital Power
supply (1.8V)
Negative Digital Power
supply
Function
Positive Analog Power
supply (2.8V)
On/ off (shutdown)
control of external
power supply
Negative Analog
Power supply
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